changed mainWindow StageStyle to UNDECORATED

removed main_window_title area
moved main_window_resize functions to MainWindowController
put add vault button under the vault list and wrapped both in a ScrollPane
bound vault list height properties to amount of entries and width to scroll pane width
add listener to scroll down after adding a vault
moved preferences button under vault list
new style classes for new elements
changed wording

src/main/java/org/cryptomator/ui/mainwindow/MainWindowController.java

@@ -1,6 +1,7 @@
 package org.cryptomator.ui.mainwindow;
 
 import org.apache.commons.lang3.SystemUtils;
+import org.cryptomator.common.settings.Settings;
 import org.cryptomator.common.vaults.Vault;
 import org.cryptomator.common.vaults.VaultListManager;
 import org.cryptomator.ui.common.FxController;
@@ -22,13 +23,15 @@ public class MainWindowController implements FxController {
 
 	private final Stage window;
 	private final ReadOnlyObjectProperty<Vault> selectedVault;
+	private final Settings settings;
 
 	public StackPane root;
 
 	@Inject
-	public MainWindowController(@MainWindow Stage window, ObjectProperty<Vault> selectedVault) {
+	public MainWindowController(@MainWindow Stage window, ObjectProperty<Vault> selectedVault, Settings settings) {
 		this.window = window;
 		this.selectedVault = selectedVault;
+		this.settings = settings;
 	}
 
 	@FXML
@@ -38,6 +41,29 @@ public class MainWindowController implements FxController {
 			root.getStyleClass().add("os-windows");
 		}
 		window.focusedProperty().addListener(this::mainWindowFocusChanged);
+
+		if (!neverTouched()) {
+			window.setHeight(settings.windowHeight.get() > window.getMinHeight() ? settings.windowHeight.get() : window.getMinHeight());
+			window.setWidth(settings.windowWidth.get() > window.getMinWidth() ? settings.windowWidth.get() : window.getMinWidth());
+			window.setX(settings.windowXPosition.get());
+			window.setY(settings.windowYPosition.get());
+		}
+		window.widthProperty().addListener((_,_,_) -> savePositionalSettings());
+		window.heightProperty().addListener((_,_,_) -> savePositionalSettings());
+		window.xProperty().addListener((_,_,_) -> savePositionalSettings());
+		window.yProperty().addListener((_,_,_) -> savePositionalSettings());
+	}
+
+	private boolean neverTouched() {
+		return (settings.windowHeight.get() == 0) && (settings.windowWidth.get() == 0) && (settings.windowXPosition.get() == 0) && (settings.windowYPosition.get() == 0);
+	}
+
+	@FXML
+	public void savePositionalSettings() {
+		settings.windowWidth.setValue(window.getWidth());
+		settings.windowHeight.setValue(window.getHeight());
+		settings.windowXPosition.setValue(window.getX());
+		settings.windowYPosition.setValue(window.getY());
 	}
 
 	private void mainWindowFocusChanged(Observable observable) {

src/main/java/org/cryptomator/ui/mainwindow/MainWindowModule.java

@@ -41,7 +41,6 @@ abstract class MainWindowModule {
 	static Stage provideMainWindow(@PrimaryStage Stage stage, StageInitializer initializer) {
 		initializer.accept(stage);
 		stage.setTitle("Cryptomator");
-		stage.initStyle(StageStyle.UNDECORATED);
 		stage.setMinWidth(650);
 		stage.setMinHeight(440);
 		return stage;

src/main/java/org/cryptomator/ui/mainwindow/VaultListController.java

@@ -9,6 +9,7 @@ import org.cryptomator.ui.addvaultwizard.AddVaultWizardComponent;
 import org.cryptomator.ui.common.FxController;
 import org.cryptomator.ui.common.VaultService;
 import org.cryptomator.ui.fxapp.FxApplicationWindows;
+import org.cryptomator.ui.preferences.SelectedPreferencesTab;
 import org.cryptomator.ui.removevault.RemoveVaultComponent;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -27,13 +28,16 @@ import javafx.geometry.Side;
 import javafx.scene.control.Button;
 import javafx.scene.control.ContextMenu;
 import javafx.scene.control.ListView;
+import javafx.scene.control.ScrollPane;
 import javafx.scene.input.ContextMenuEvent;
 import javafx.scene.input.DragEvent;
 import javafx.scene.input.KeyCode;
 import javafx.scene.input.KeyEvent;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.input.TransferMode;
+import javafx.scene.layout.HBox;
 import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
 import javafx.stage.Stage;
 import java.io.File;
 import java.io.IOException;
@@ -71,8 +75,11 @@ public class VaultListController implements FxController {
 	private final FxApplicationWindows appWindows;
 
 	public ListView<Vault> vaultList;
+	public ScrollPane scrollPane;
+	public VBox vbox;
 	public StackPane root;
 	public Button addVaultBtn;
+	public HBox addVaultArea;
 	@FXML
 	private ContextMenu addVaultContextMenu;
 
@@ -106,6 +113,21 @@ public class VaultListController implements FxController {
 	public void initialize() {
 		vaultList.setItems(vaults);
 		vaultList.setCellFactory(cellFactory);
+
+		vaultList.prefHeightProperty().bind(vaultList.fixedCellSizeProperty().multiply(vaultList.getItems().size()));
+		vaultList.maxHeightProperty().bind(vaultList.prefHeightProperty());
+		vaultList.prefWidthProperty().bind(scrollPane.widthProperty());
+
+		vbox.heightProperty().addListener((_, oldValue, newValue) -> {
+			if(newValue.doubleValue()>oldValue.doubleValue()){
+				scrollPane.setVvalue(1.0);
+			}
+		});
+
+		vaults.addListener((ListChangeListener<Vault>) c -> {
+			vaultList.prefHeightProperty().bind(vaultList.fixedCellSizeProperty().multiply(vaultList.getItems().size()));
+			});
+
 		selectedVault.bind(vaultList.getSelectionModel().selectedItemProperty());
 		vaults.addListener((ListChangeListener.Change<? extends Vault> c) -> {
 			while (c.next()) {
@@ -171,7 +193,7 @@ public class VaultListController implements FxController {
 		if (addVaultContextMenu.isShowing()) {
 			addVaultContextMenu.hide();
 		} else {
-			addVaultContextMenu.show(addVaultBtn, Side.BOTTOM, 0.0, 0.0);
+			addVaultContextMenu.show(addVaultArea, Side.BOTTOM, 0.0, 0.0);
 		}
 	}
 
@@ -247,6 +269,11 @@ public class VaultListController implements FxController {
 		}
 	}
 
+	@FXML
+	public void showPreferences() {
+		appWindows.showPreferencesWindow(SelectedPreferencesTab.ANY);
+	}
+
 	// Getter and Setter
 
 	public BooleanBinding emptyVaultListProperty() {